Question

A large water fountain pump floats in water and is held by a rigid horizontal rod as shown in Fig. 3 The pump produces a cylindrical water jet at 609. The jet exhausts to the atmosphere at atmospheric pressure and originates from the pumping device that accelerates the flow from zero velocity inside the pump Volume. The flow rate of the jet is 1 and its diameter is 2/Vĩm. You can ignore frictional losses, the gravitational forces in the jet, the atmospheric and the gauge pressure inside the pump. out -60° Rod Figure 3: Floating water fountain a) Calculate the horizontal force and its direction (compressing or extending the rod?) which is exerted on the rod 17 marks b) Assuming the weight of the fountain is balanced by the buoyancy force, calculate the additional vertical force (its magnitude and direction) which the pump exerts on the water it floats in.

Answer 1

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